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Finding the Third Proportional to 3,280.50 and 5,057.44

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Solution

The third proportional to 3,280.50 and 5,057.44 is: 7,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.50 : 5,057.44 = 5,057.44 : x
  2. Step 2: Convert to fraction form
    3,280.50/5,057.44 = 5,057.44/x
  3. Step 3: Cross multiply
    3,280.50x = 5,057.44 × 5,057.44
  4. Step 4: Simplify right side
    3,280.50x = 25,577,674.07
  5. Step 5: Solve for x
    x = 25,577,674.07/3,280.50
  6. Step 6: Final answer
    x = 7,796.88

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.